1. a mortise joint formed by interlocking tenons and mortises

    Synonyms : dovetail joint
    Type Of : mortise-and-tenon joint, mortise joint
  2. fit together tightly, as if by means of a dovetail

    Type Of : fit


  1. failing in what duty requires

    Synonyms : delinquent, neglectful, remiss
    Examples :
    • derelict (or delinquent) in his duty
  2. in deplorable condition

    Synonyms : bedraggled, broken-down, dilapidated, ramshackle, tatterdemalion, tumble-down
  3. forsaken by owner or inhabitants

    Synonyms : abandoned, deserted
  4. a ship abandoned on the high seas

    Synonyms : abandoned ship
    Type Of : ship
  5. worn and broken down by hard use

    Synonyms : creaky, decrepit, flea-bitten, run-down, woebegone
  6. a person without a home, job, or property

    Type Of : pauper


  1. bear the expenses of

    Type Of : pay


  1. heedful of potential consequences

    Synonyms : circumspect
    Examples :
    • a discreet investor
  2. unobtrusively perceptive and sympathetic

    Synonyms : discerning
    Examples :
    • a discreet silence
  3. marked by prudence or modesty and wise self-restraint

    Antonyms : indiscreet
    Examples :
    • his trusted discreet aide
    • a discreet, finely wrought gold necklace


  1. evolve so as to lead to a new species or develop in a way most suited to the environment

    Synonyms : specialise, specialize, speciate
    Type Of : evolve
  2. mark as different

    Synonyms : distinguish, secern, secernate, separate, severalise, severalize, tell, tell apart
    Type Of : place, identify
  3. be a distinctive feature, attribute, or trait; sometimes in a very positive sense

    Synonyms : distinguish, mark
    Type Of : qualify, characterise, characterize
  4. become different during development

    Antonyms : dedifferentiate
    Type Of : develop
    Examples :
    • cells differentiate
  5. become distinct and acquire a different character

    Type Of : dissimilate
  6. calculate a derivative; take the derivative

    Antonyms : integrate
    Type Of : work out, calculate, cipher, compute, cypher, figure, reckon


  1. in deplorable condition

    Synonyms : bedraggled, broken-down, derelict, ramshackle, tatterdemalion, tumble-down


  1. expose while ridiculing; especially of pretentious or false claims and ideas

    Synonyms : expose
    Type Of : blackguard, guy, jest at, laugh at, make fun, poke fun, rib, ridicule, roast
    Examples :
    • The physicist debunked the psychic's claims


  1. give an assignment to (a person) to a post, or assign a task to (a person)

    Synonyms : assign, depute, designate
    Type Of : charge, appoint
  2. transfer power to someone

    Synonyms : depute
    Type Of : designate, assign, depute
  3. a person appointed or elected to represent others

    Type Of : representative


  1. expressive of low opinion

    Synonyms : derogatory, disparaging


  1. poor enough to need help from others

    Synonyms : impoverished, indigent, necessitous, needy, poverty-stricken
  2. completely wanting or lacking

    Synonyms : barren, devoid, free, innocent
    Examples :
    • young recruits destitute of experience